./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_unequal_true-unreach-call_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_unequal_true-unreach-call_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a249d9683f53312aee99a1006c34bc5de4394886 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:45:30,203 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:45:30,205 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:45:30,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:45:30,212 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:45:30,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:45:30,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:45:30,215 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:45:30,216 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:45:30,217 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:45:30,217 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:45:30,218 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:45:30,218 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:45:30,219 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:45:30,220 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:45:30,220 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:45:30,221 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:45:30,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:45:30,223 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:45:30,224 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:45:30,225 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:45:30,226 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:45:30,228 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:45:30,228 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:45:30,228 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:45:30,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:45:30,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:45:30,230 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:45:30,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:45:30,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:45:30,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:45:30,232 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:45:30,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:45:30,233 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:45:30,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:45:30,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:45:30,234 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2018-10-27 04:45:30,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:45:30,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:45:30,245 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:45:30,245 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:45:30,246 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 04:45:30,246 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:45:30,246 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:45:30,246 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:45:30,246 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:45:30,246 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:45:30,247 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:45:30,247 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:45:30,247 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:45:30,247 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:45:30,247 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:45:30,247 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:45:30,248 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:45:30,248 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:45:30,248 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:45:30,248 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:45:30,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:45:30,248 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:45:30,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:45:30,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 04:45:30,249 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:45:30,249 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a249d9683f53312aee99a1006c34bc5de4394886 [2018-10-27 04:45:30,288 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:45:30,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:45:30,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:45:30,306 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:45:30,306 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:45:30,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/../../sv-benchmarks/c/list-simple/dll2c_append_unequal_true-unreach-call_true-valid-memsafety.i [2018-10-27 04:45:30,360 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/data/6760efc0e/13d8876716c74f0cafa0b633d67be3be/FLAGf3d2b26ad [2018-10-27 04:45:30,779 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:45:30,780 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/sv-benchmarks/c/list-simple/dll2c_append_unequal_true-unreach-call_true-valid-memsafety.i [2018-10-27 04:45:30,791 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/data/6760efc0e/13d8876716c74f0cafa0b633d67be3be/FLAGf3d2b26ad [2018-10-27 04:45:30,803 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_65fdb1fa-aed6-4ba9-8de5-309ed0d6f3c0/bin-2019/uautomizer/data/6760efc0e/13d8876716c74f0cafa0b633d67be3be [2018-10-27 04:45:30,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:45:30,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 04:45:30,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:45:30,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:45:30,812 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:45:30,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:45:30" (1/1) ... [2018-10-27 04:45:30,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e18245c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:30, skipping insertion in model container [2018-10-27 04:45:30,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:45:30" (1/1) ... [2018-10-27 04:45:30,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:45:30,858 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:45:30,986 WARN L309 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-10-27 04:45:30,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10949cc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:45:30, skipping insertion in model container [2018-10-27 04:45:30,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:45:30,987 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-10-27 04:45:30,987 INFO L168 Benchmark]: Toolchain (without parser) took 180.60 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:45:30,988 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:45:30,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:45:30,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.09 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 946.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 76]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...